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Table 4 Meta- analysis of baseline physical activity categories as determinant of T2D development

From: Independent and combined effects of physical activity and body mass index on the development of Type 2 Diabetes – a meta-analysis of 9 prospective cohort studies

Physical activity on T2D   Model 1a Model 2b
  N HR 95 % CI HR 95 % CI Heterogeneity p-value
High physical activity 9 1.00   1.00   
Medium physical activity 9 1.11 0.86–1.43 1.08 1.04–1.13 1d
Low physical activity 7c 1.64 1.45–1.85 1.23 1.09–1.39 1d
  1. aModel 1: T2D = physical activity level categories
  2. bModel 2: Model 1 + age + gender + educational level + smoking + body mass index categories
  3. cNo estimates for CaPS and WH-II
  4. dBetween study variance is estimated as zero